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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ७

Assertion and Reason A: It takes a very long time for nylon clothes to breakdown into microfibers but cotton clothes need only six months to decompose. R: Nylon made out of petrochemicals is - Science

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प्रश्न

Assertion and Reason

A: It takes a very long time for nylon clothes to breakdown into microfibers but cotton clothes need only six months to decompose.

R: Nylon made out of petrochemicals is non-biodegradable and cotton cloth is biodegradable.

विकल्प

  • Both A and R are true and R is the correct explanation of A.

  • Both A and R are true but R is not the correct explanation of A.

  • A is true but R is false.

  • A is false but R is true.

MCQ

उत्तर

Both A and R are true and R is the correct explanation of A

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Biodegradable Plastics
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Polymer Chemistry - Evaluation [पृष्ठ ६३]

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सामाचीर कलवी Science - Term 3 [English] Class 7 TN Board
अध्याय 3 Polymer Chemistry
Evaluation | Q VII. 2. | पृष्ठ ६३
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